Keywords: Liberty ship construction 16 slipways.jpg Construction of the Liberty ship SS Frederick Douglass at Bethlehem-Fairfield Shipyards Inc Baltimore Maryland USA in May 1943 The Frederick Douglass was already torpedoed and sunk by the German U-boat U 645 in convoy ON-202 on 20 September 1943 at 57 03N 28 08W <br>Original caption Way no 8 of the Bethlehem-Fairfield shipyards showing the Liberty ship Frederick Douglass in its early stage of construction LOC-image fsa 8d28656 1943-05 United States Office of War Information Overseas Picture Division Washington Division; 1944 frame removed PD-USGov Liberty ships |